Commercial electricity by Texas city.

Dallas–Fort Worth, the larger Metroplex, parts of West and Central Texas, and Waco.

• Dallas

  Dallas County
• Fort Worth

  Tarrant County
• Arlington

  Tarrant County
• Plano

  Collin County
• Irving

  Dallas County
• Garland

  Dallas County
• Frisco

  Collin County
• McKinney

  Collin County
• Killeen

  Bell County
• Midland

  Midland County
• Denton

  Denton County
• Waco

  McLennan County
• Odessa

  Ector County
• Round Rock

  Williamson County
• Tyler

  Smith County
• Wichita Falls

  Wichita County

Greater Houston, the Gulf Coast, and surrounding counties — about 2.5 million electric customers.

• Houston

  Harris County
• Pasadena

  Harris County
• College Station

  Brazos County
• The Woodlands

  Montgomery County
• Sugar Land

  Fort Bend County
• Galveston

  Galveston County

Corpus Christi, the Coastal Bend, the Rio Grande Valley, and Laredo.

• Corpus Christi

  Nueces County
• Laredo

  Webb County
• Brownsville

  Cameron County
• Abilene

  Taylor County

Pockets across Texas including parts of the Houston metro, Lewisville, parts of Galveston County, the Big Bend region, and parts of the Panhandle.

• Lubbock

  Lubbock County